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CAS Pressure Switch and Thermostat
Brand: DanfossThe CAS Series consists of a series of pressure controlled switches and temperature controlled switches.
In this series, special attention has been given to meeting demands for a high level of enclosure, robust and compact construction, and resistance to shock and vibration.
The series is suitable for use in alarm and regulation systems in factories, diesel plants, compressors, power stations and on board ships.
Features- A high level of enclosure
- Fixed differential
- Robust and compact construction
- Resistance to shock and vibration
- Available with all major marine approvals
Specifications
Brand
Ambient Temperature Range
- -25° to 70° C (-13° to 158° F) - for Typical CAS 143 - 155 & Thermostat
- -40° to 70° C (-40° to 158° F) - for Typical CAS 133 - 139
Applications
- Board Ships
- Compressors
- Diesel Plants
- Factories
- Power Plants
Approvals & Certifications
- EN 60947-1
- EN 60947-4-1
- EN 60947-5-1
Approvals & Certifications
- ABS
- BV
- CE-Marked in Accordance with LVD 2006/95/EC
- DNV
- GL
- LRS
- NKK
- RINA
- RMRS
BSP Connection
- G 1/4” Female
- G 3/8” Female
Burst Pressure
- psi: 3,481 (kPa: 24,000, bar: 240) Min. - Pressure Switches for High Pressure & Strongly Pulsating Media
- psi: 580.2 to 1,450 (kPa: 4,000 to 10,000, bar: 40 to 100) Min. - Standard Pressure Switches
- psi: 609 (kPa: 4,200, bar: 42) Min. - Differential Pressure Switch
Cable Entry
- PG13.5 for Cable Diametrers from 5-14 mm
Capillary Length
- 6.56 feet (2 metres) - Thermostat
Diaphragm Material
- Nickel-Plated Brass CuZn 40 Ob3 ISO R 426 (DIN 17569) - for Typical CAS 133 - 139
- Nitrile-Butadiene Rubber - for Typical CAS 143 - 155
Differential Pressure
- psi: 1.45 (kPa: 10, bar: 0.1) - Differential Pressure Switch
- psi: 1.45 to 8.70 (kPa: 10 to 60, bar: 0.1 to 0.6) - Standard Pressure Switches
- psi: 2.90 to 43.51 (kPa: 20 to 300, bar: 0.2 to 3) - Pressure Switches for High Pressure & Strongly Pulsating Media
Electrical Rating
- 0.1 A at 220 V (AC-14 / AC-15) - Contact Load
- 12 W at 125 V (DC-13) - Contact Load
Enclosure, Body Material
- Die Cast Aluminum (GD-AISI 12)
Environmental Protection
- IP67 According to EN 60529
Materials of Construction
- 304L Stainless Steel (DIN 17440) - Bellows (Typical CAS 133 - 139)
NPT Connection
- 1/2” NPT Male
Operating Pressure
- psi: 0 to 116 (kPa: 0 to 800, bar: 0 to 8) - Differential Pressure Switch
- psi: 1,740 (kPa: 12,000, bar: 120) - Pressure Switches for High Pressure & Strongly Pulsating Media
- psi: 145 to 768.7 (kPa: 1,000 to 5,300, bar: 10 to 53) - Standard Pressure Switches
Process Connection Material
- Brass 2.0401 (DIN 17660) - for Typical CAS 133 - 139
Process Temperature
- -25° to 100° C (-13° to 212° F) - for Typical CAS 143 - 155
- -40° to 100° C (-40° to 212° F) - for Typical CAS 133 - 139
Proof Pressure
- psi: 145 to 768.7 (kPa: 1,000 to 5,300, bar: 10 to 53) - Max.
- psi: 2,611 (kPa: 18,000, bar: 180) - Max.
- psi: 319.1 (kPa: 2,200, bar: 22) - Max.
Set Point - Decreasing
- 20° to 150° C (68° to 302° F)
- bar: 0 to 60
- kPa: 0 to 6,000
- psi: 0 to 870.2
Set Point - Increasing
- 20° to 150° C (68° to 302° F)
- bar: 0 to 60
- kPa: 0 to 6,000
- psi: 0 to 870.2
Switch Type
- Microswitch with Single Pole Changeover SPDT
System Pressure
- bar: 120
- kPa: 10,000
- psi: 1,450
Temperature Range
- 130° to 250° C (266° to 482° F) - Max.
Vibration
- 4 G at 30 to 100 Hz
- Vibration-stable in the Range 2 to 30 Hz, 1.1 mm Amplitude
- Board Ships
- Diesel Plants
- Compressors
- Power Plants
- Factories
